72676747 has 8 divisors (see below), whose sum is σ = 85382640. Its totient is φ = 60987360.

The previous prime is 72676739. The next prime is 72676759. The reversal of 72676747 is 74767627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72676747 - 2³ = 72676739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72676697 and 72676706.

It is not an unprimeable number, because it can be changed into a prime (72676787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253972 + ... + 254257.

It is an arithmetic number, because the mean of its divisors is an integer number (10672830).

Almost surely, 2^72676747 is an apocalyptic number.

72676747 is a deficient number, since it is larger than the sum of its proper divisors (12705893).

72676747 is a wasteful number, since it uses less digits than its factorization.

72676747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508253.

The product of its digits is 691488, while the sum is 46.

The square root of 72676747 is about 8525.0658061976. The cubic root of 72676747 is about 417.3161191992.

The spelling of 72676747 in words is "seventy-two million, six hundred seventy-six thousand, seven hundred forty-seven".